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CTRI Number  CTRI/2025/09/094597 [Registered on: 11/09/2025] Trial Registered Prospectively
Last Modified On: 10/09/2025
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Nutraceutical 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   To compare the Efficacy of Postbiotic Trybutyrin, probiotics, and Pre/Pro/Postbiotic fixed dose combination in Adults With Functional Gastrointestinal Disorders 
Scientific Title of Study   A Randomized, Double-Blind, Controlled Clinical Trial To Evaluate The Safety And Efficacy Of Nutraceutical Formulations Containing Postbiotic Trybutyrin, Probiotics, And A Pre/Pro/Postbiotic Combination In Adults With Functional Gastrointestinal Disorders. 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
TRYBU-001-25, Version 1.0_Dated 28 April 2025  Protocol Number 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Jothi Shankar 
Designation  Principal Investigator 
Affiliation  Srinivasan Rajalakshmi Memorial Hospital (SRMH) 
Address  Srinivasan Rajalakshmi Memorial Hospital (SRMH), Ground floor, Department of Gastroenterology, 11/77, 6th Cross Street, Voltas Colony, Nanganallur.

Chennai
TAMIL NADU
600061
India 
Phone  9941208262  
Fax    
Email  srmhresearch@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Jothi Shankar 
Designation  Principal Investigator 
Affiliation  Srinivasan Rajalakshmi Memorial Hospital (SRMH) 
Address  Srinivasan Rajalakshmi Memorial Hospital (SRMH), Ground floor, Department of Gastroenterology, 11/77, 6th Cross Street, Voltas Colony, Nanganallur.

Chennai
TAMIL NADU
600061
India 
Phone  9941208262  
Fax    
Email  srmhresearch@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Jothi Shankar 
Designation  Principal Investigator 
Affiliation  Srinivasan Rajalakshmi Memorial Hospital (SRMH) 
Address  Srinivasan Rajalakshmi Memorial Hospital (SRMH) Ground floor, Department of Gastroenterology, 11/77, 6th Cross Street, Voltas Colony, Nanganallur.

Chennai
TAMIL NADU
600061
India 
Phone  9941208262  
Fax    
Email  srmhresearch@gmail.com  
 
Source of Monetary or Material Support  
Aeon Formulations Pvt Ltd 
 
Primary Sponsor  
Name  Aeon Formulations Pvt Ltd 
Address  Plot No:21, Door No:2, Velu Naicker Street, Venkateshwara Nagar, Ramapuram, Chennai, Tamil Nadu 600089 
Type of Sponsor  Pharmaceutical industry-Indian 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Jothi Shankar  Srinivasan Rajalakshmi Memorial Hospital  Ground floor, Department of Gastroenterology,11/77, 6th Cross Street, Voltas Colony, Nanganallur, Chennai-600061, Tamil Nadu, India.
Chennai
TAMIL NADU 
9884522606

srmhresearch@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Universal Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K219||Gastro-esophageal reflux disease without esophagitis,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  combination of prebiotics, probiotics, and postbiotic Trybutyrin.  500mg capsule, oral once daily 
Intervention  Trybutyrin  500mg capsule, oral once daily 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Adults aged 18 to 65 years.
2. Subjects with Rome IV criteria-based diagnosis of IBS, OR
Individuals with functional gastrointestinal symptoms (e.g., bloating, mild abdominal pain, altered bowel habits) but no serious underlying disease.
3. Stable clinical condition without acute illnesses.
4. Willing and able to provide written informed consent.
5. Capable of understanding and adhering to the protocol, including completion of the symptom diaries and follow-up visits. 
 
ExclusionCriteria 
Details  1. Recent use of related interventions:
Use of antibiotics, probiotics, prebiotics, or postbiotics within 4 weeks prior to screening.
2. Gastrointestinal comorbidities:
History or presence of inflammatory bowel disease, celiac disease, gastrointestinal malignancies, GI surgeries (except appendectomy or hernia repair), or severe dysbiosis.
3. Chronic conditions:
Poorly controlled diabetes, renal, hepatic, or cardiovascular diseases.
4. Immunocompromised status:
Including HIV, cancer chemotherapy, or immunosuppressive therapy.
5. Pregnancy and lactation.
6. Known allergy or hypersensitivity to any component of the investigational products.
7. Participation in another clinical trial within the past 30 days.
8. Substance abuse or alcoholism history that may interfere with compliance or safety.
9. Psychiatric or cognitive disorders that may affect compliance or accurate symptom reporting. 
 
Method of Generating Random Sequence   Adaptive randomization, such as minimization 
Method of Concealment   Other 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To compare the efficacy of Postbiotic Trybutyrin, probiotics, and Pre/Pro/Postbiotic
FDC. 
Day 1, 15, 30, 45, and 59 
 
Secondary Outcome  
Outcome  TimePoints 
To assess the safety and tolerability of all interventions.
To explore mechanisms of action 
Day 1, 15, 30, 45, and 59 
 
Target Sample Size   Total Sample Size="30"
Sample Size from India="30" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   22/09/2025 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="0"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  
Introduction Postbiotics represent the next generation of gut microbiota-targeted therapies beyond probiotics and prebiotics. Trybutyrin (tributyrin) delivers bioavailable butyrate, a short-chain fatty acid essential for gut integrity, metabolic balance, and immune modulation.
 
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